Cấu hình nginx với module gzip bật để tối ưu tốc độ trả về của các file json, xml, css, plain text.

nginx.gzip.conf

server {
    listen         80;
    server_name    your.domain;
    root           /var/www/html/;
    index          index.php;

    client_max_body_size 10M;
    client_body_buffer_size 10M;

    location ~* \.php$ {
     if (!-f $document_root$fastcgi_script_name) {
        return 404;
     }    
     fastcgi_pass your.upstream;
     fastcgi_index index.php;

     fastcgi_param   SCRIPT_FILENAME    $document_root$fastcgi_script_name;
     fastcgi_param   SCRIPT_NAME        $fastcgi_script_name;

     fastcgi_split_path_info ^(.+\.php)(/.+)$;

     include         fastcgi_params;
   }

   location / {
      try_files $uri $uri/ /index.php?$query_string;
   }

   ##
   # `gzip` Settings
   #
   #
   gzip on;
   gzip_disable "msie6";

   gzip_vary on;
   gzip_proxied any;
   gzip_comp_level 9;
   gzip_buffers 16 8k;
   gzip_http_version 1.1;
   gzip_min_length 0;
   gzip_types text/plain text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript application/vnd.ms-fontobject application/x-font-ttf font/opentype image/svg+xml image/x-icon;
}